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2. Heat sealer - Wikipedia

   en.wikipedia.org/wiki/Heat_sealer

   Small impulse sealer Heat-sealed material lies on a warehouse floor. Notice the corded heat sealer to the left. Heat sealer used to prepare plastic bag of lettuce for shelf life testing Continuous band heat sealer. A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat. This can be with uniform ...

3. Skin pack - Wikipedia

   en.wikipedia.org/wiki/Skin_pack

   The film bonds to the heat-seal coating on the paperboard. The substrate can be either made specifically for skin packaging, or converted from other paper stock, such as corrugated board. The specially made sheets Solid Bleached Sulfate (SBS) are porous, and allow the vacuum to flow directly through the paper.

4. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   Like external sealers, a plastic bag is typically used for packaging. Once the product is placed in the machine, the lid is closed and air is removed. Then, there is a heat seal inside the chamber that will seal the bag, after sealing the bag the chamber is refilled with air by the automatic opening of a vent to the outside.

5. Thermal bag - Wikipedia

   en.wikipedia.org/wiki/Thermal_bag

   A thermal bag is a type of thermally insulated shipping container in the form of a bag which can be carried, usually made of thermally insulating materials and sometimes a refrigerant gel. It is used to help maintain the temperature of its contents, keeping cold items cold, and hot items hot.

6. Resealable packaging - Wikipedia

   en.wikipedia.org/wiki/Resealable_packaging

   The zip is bonded to the packaging by a heat activated adhesive that is pre-applied to the backing of the zip. The first resealable packaging with a zipper was licensed in the United States by Minigrip® in 1954. "Ziplock" is now used as a noun or adjective in relation to plastic bags using this type of seal regardless of manufacturer. [2]

7. Packaging machinery - Wikipedia

   en.wikipedia.org/wiki/Packaging_machinery

   For example many packages include heat seals to prepare or seal a package. Heat sealers are needed, even in slow labor-intensive operations. With many industries, the effectiveness of the heat seal is critical to product safety so the heat sealing operation must closely controlled with documented Verification and validation protocols. Food ...